Superprotonic Conductivity in a Highly Oriented Crystalline
Metal–Organic Framework Nanofilm
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Abstract
The
electrical properties of a highly oriented crystalline MOF
nanofilm were studied. This nanofilm has low activation energy and
a proton conductivity that is among the highest value reported for
MOF materials. The study uncovered the reasons for the excellent performance
of this nanofilm and revealed a new pathway for proton transport in
MOF materials; besides the channels inside a MOF, the surface of the
MOF nanocrystal can also dominate proton transport